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Barinsky GL, Buziashvili D, Svider PF, Carron MA, Folbe AJ, Hsueh WD, Eloy JA, Johnson AP. Perioperative Desmopressin for Patients Undergoing Otolaryngologic Procedures: A Systematic Review. Otolaryngol Head Neck Surg 2019; 161:36-45. [DOI: 10.1177/0194599819831288] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
ObjectiveDesmopressin (DDAVP) is a hemostatic agent used to manage bleeding in patients with hemostatic disorders, and there is a lack of published data to guide its use during otolaryngology procedures. The objective of this study was to conduct an evidence-based systematic review of the reported uses, efficacy, and adverse effects of DDAVP in the otolaryngology surgical setting.Data SourcesPubMed, MEDLINE, and EmBase were searched for articles on the use of DDAVP in otolaryngology.Review MethodsThe Methodological Index for Non-Randomized Studies criteria and Cochrane bias tool were used to assess study quality. Patient demographics, DDAVP dosing and route, and outcomes such as bleeding and adverse events were collected. A summary of evidence table was created specifying levels of evidence, benefits, and harm.ResultsNineteen studies encompassing 440 patients were included. Sixteen studies discussed DDAVP for prophylaxis, and 3 discussed postoperative use. DDAVP effectively prevented bleeding in high-risk patients and successfully facilitated a dry surgical field when necessary. DDAVP had a 100% success rate when used symptomatically. Five studies described adverse effects, including hyponatremia (12.3%), nausea (2.0%), emesis (0.9%), and seizure (0.2%). The aggregate level of evidence for its use was Level B for adenotonsillectomy, septoplasty, and turbinate procedures and Level C for rhinoplasty.ConclusionCurrent literature supports the use of DDAVP in otolaryngology surgical procedures as both a perioperative prophylactic agent and a postoperative symptomatic intervention for bleeding. Both modalities are effective with minimal adverse events. Further well-designed randomized trials are necessary to conclusively formulate guidelines for DDAVP use in otolaryngology.
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Affiliation(s)
- Gregory L. Barinsky
- Department of Otolaryngology–Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - David Buziashvili
- Department of Otolaryngology–Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Peter F. Svider
- Department of Otolaryngology–Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Michael A. Carron
- Department of Otolaryngology–Head and Neck Surgery, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Adam J. Folbe
- Department of Otolaryngology, William Beaumont Hospital, Royal Oak, Michigan, USA
| | - Wayne D. Hsueh
- Department of Otolaryngology–Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Jean Anderson Eloy
- Department of Otolaryngology–Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
- Department of Ophthalmology and Visual Science, Rutgers New Jersey Medical School, Newark, New Jersey, USA
- Department of Neurological Surgery, Rutgers New Jersey Medical School, Newark, New Jersey, USA
- Center for Skull Base and Pituitary Surgery, Neurological Institute of New Jersey, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Andrew P. Johnson
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado, USA
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Patel PN, Arambula AM, Wheeler AP, Penn EB. Post-tonsillectomy hemorrhagic outcomes in children with bleeding disorders at a single institution. Int J Pediatr Otorhinolaryngol 2017; 100:216-222. [PMID: 28802375 DOI: 10.1016/j.ijporl.2017.07.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 07/12/2017] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To report on the post-tonsillectomy bleeding outcomes and factors associated with hemorrhage among children with pre- or post-operatively diagnosed bleeding disorders treated with an institutional protocol. METHODS Retrospective cohort study of patients with hematologic disorders who underwent tonsillectomy between 2003 and 2016 and were treated with perioperative desmopressin or factor replacement and/or aminocaproic acid. Postoperative outcomes were compared to controls matched for age, sex, and indication for surgery. Analysis of factors associated with hemorrhage was performed in patients with bleeding disorders using Mann-Whitney U or chi-squared tests. RESULTS 45 patients with hematologic disorders met inclusion criteria. Platelet dysfunction, including von Willebrand Disease (vWD), was the most common diagnosis (77.8%). Most patients had a preoperative diagnosis of a bleeding disorder and received perioperative hematologic medications (86.7%). Compared to matched controls, patients with hematologic disorders experienced more postoperative bleeding (15.5%; 12 bleeds, 7 patients vs. 1.7%; 1 bleed, 1 patient, p = 0.05) and had longer postoperative stays (1.3 days vs. 0.4 days, p < 0.001). Among the patients with hematologic disorders, patients who experienced a postoperative bleed were significantly more likely to have a factor deficiency (e.g. Hemophilia over vWD) and have a postoperative diagnosis (compared to preoperative diagnosis) for which they did not receive perioperative hematologic medication. Of patients with a postoperative bleed, all those diagnosed postoperatively required at least one surgical intervention to control bleeding compared to 33% of patients with a preoperative diagnosis. A history of post-surgical bleeding, male sex, age at surgery, and pharyngitis as surgical indication were not associated with higher hemorrhage rates in this group. CONCLUSIONS This study suggests a clinically important magnitude of increased bleeding risk in patients with hematologic disease. This risk appears to decrease with the use of an institutional protocol consisting of desmopressin or factor replacement and an antifibrinolytic agent extending through postoperative day 10.
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Affiliation(s)
- Priyesh N Patel
- Division of Pediatric Otolaryngology, Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, TN, USA.
| | | | - Allison P Wheeler
- Division of Hematology-Oncology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Edward B Penn
- Division of Pediatric Otolaryngology, Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, TN, USA
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Mikhail S, Aldin ES, Streiff M, Zeidan A. An update on type 2B von Willebrand disease. Expert Rev Hematol 2014; 7:217-31. [PMID: 24521271 DOI: 10.1586/17474086.2014.868771] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Type 2B von Willebrand disease (VWD) accounts for fewer than 5% of all VWD patients. In this disease, mutations in the A1 domain result in increased von Willebrand factor (VWF) binding to platelet GPIbα receptors, causing increased platelet clearance and preferential loss of high molecular weight VWF multimers. Diagnosis is complicated because of significant clinical variations even among patients with identical mutations. Platelet transfusion often provides suboptimal results since transfused platelets may be aggregated by the patients' abnormal VWF. Desmopressin may cause a transient decrease in platelet count that could lead to an increased risk of bleeding. Replacement therapy with factor VIII/VWF concentrates is the most effective approach to prevention and treatment of bleeding in type 2B VWD.
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Affiliation(s)
- Sameh Mikhail
- Department of Hematology, Ohio State University Medical Center, Columbus, OH, USA
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4
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Leissinger C, Carcao M, Gill JC, Journeycake J, Singleton T, Valentino L. Desmopressin (DDAVP) in the management of patients with congenital bleeding disorders. Haemophilia 2013; 20:158-67. [DOI: 10.1111/hae.12254] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2013] [Indexed: 11/29/2022]
Affiliation(s)
- C. Leissinger
- Section of Hematology and Medical Oncology; Tulane University; New Orleans LA USA
| | - M. Carcao
- Division of Haematology/Oncology; The Hospital for Sick Children; University of Toronto; Toronto ON Canada
| | - J. C. Gill
- Pediatric Hematology, Medicine and Epidemiology; The Medical College of Wisconsin and the Blood Center of Wisconsin; Milwaukee WI USA
| | - J. Journeycake
- Pediatrics; University of Texas Southwestern Medical Center; USA
- Bleeding Disorders and Thrombosis Program; Children's Medical Center; Dallas TX USA
| | - T. Singleton
- Section of Pediatric Hematology/Oncology; Tulane University; New Orleans LA USA
| | - L. Valentino
- Section of Pediatric Hematology/Oncology; Rush Hemophilia & Thrombophilia Center; Rush University Medical Center; Chicago IL USA
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5
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García-Matte R, María Constanza Beltrán M, Ximena Fonseca A, Pamela Zúñiga C. Management of children with inherited mild bleeding disorders undergoing adenotonsillar procedures. Int J Pediatr Otorhinolaryngol 2012; 76:291-4. [PMID: 22188821 DOI: 10.1016/j.ijporl.2011.11.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Revised: 11/23/2011] [Accepted: 11/25/2011] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To evaluate the incidence of perioperative bleeding among children with mild bleeding disorders who underwent adenotonsillar surgery in our hospital and were treated with our perioperative bleeding prophylaxis protocol. METHODS Retrospective chart review was aimed at determining the perioperative bleeding rate in children with mild bleeding disorders subjected to our prophylactic protocol while undergoing adenotonsillar procedures. Low von Willebrand factor (LVWF), unspecific platelet function disorders (UPFD) and mild factor VII deficiency were considered as mild bleeding disorders. The protocol utilizes intravenous desmopressin, tranexamic acid, NSAID avoidance, and overnight observation. RESULTS Between 2004 and 2009, 44 children with mild bleeding disorders underwent adenotonsillar procedures in our hospital and were treated with the protocol. One patient (LVWF+UPFD) developed perioperative bleeding (2.3%). CONCLUSIONS It is possible to obtain low rates of perioperative bleeding in children with mild bleeding disorders undergoing adenotonsillar procedures, provided there is a well-timed diagnosis and an adequate prophylaxis protocol. We believe that further efforts must be directed at preoperative diagnosis of mild bleeding disorders to ensure safer surgeries.
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Affiliation(s)
- Raimundo García-Matte
- Escuela de Medicina, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
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6
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SANTORO C, HSU F, DIMICHELE DM. Haemostasis prophylaxis using single dose desmopressin acetate and extended use epsilon aminocaproic acid for adenotonsillectomy in patients with type 1 von Willebrand disease. Haemophilia 2011; 18:200-4. [DOI: 10.1111/j.1365-2516.2011.02619.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Davidson HC, Stapleton AL, Casselbrant ML, Kitsko DJ. Perioperative incidence and management of hyponatremia in vWD patients undergoing adenotonsillectomy. Laryngoscope 2011; 121:1399-403. [PMID: 21647890 DOI: 10.1002/lary.21735] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2010] [Revised: 01/02/2011] [Accepted: 01/05/2011] [Indexed: 11/12/2022]
Abstract
OBJECTIVES/HYPOTHESIS To analyze the incidence and severity of hyponatremia in patients receiving synthetic desmopressin (DDAVP) in the perioperative setting of oropharyngeal surgery in the treatment of von Willebrand disease and to propose a standardized protocol for perioperative fluid resuscitation and postoperative sodium monitoring after DDAVP administration. STUDY DESIGN Retrospective medical record review. METHODS A retrospective medical record review in an academic pediatric medical center was conducted. From October 1, 2002, to February 1, 2009, all patients undergoing adenotonsillectomy and receiving DDAVP preoperatively for the treatment of von Willebrand disease were identified. A total of 76 patients were identified by initial database review; 63 patients were included in the study, and 13 patients were excluded secondary to incomplete data. DDAVP dose and timing, perioperative fluid volume and composition, and postoperative sodium levels were collected. Extreme adverse events related to hyponatremia were recorded. RESULTS Forty-seven of 63 (74.6%) patients developed some degree of hyponatremia after DDAVP administration, and six of 63 (9.5%) patients developed extreme hyponatremia, with the degree of hyponatremia related to the volume of perioperative fluid resuscitation. The sodium nadir occurred within 9 to 20 hours after DDAVP administration. No serious adverse events related to hyponatremia were recorded during the study period. CONCLUSIONS The incidence of hyponatremia in children receiving DDAVP for prophylaxis of intraoperative bleeding following oropharyngeal surgery is high. The degree of hyponatremia is related to the perioperative fluid volume administered. A protocol for DDAVP administration, perioperative fluid resuscitation, and postoperative sodium monitoring that aims to reduce the incidence of hyponatremia in this population is proposed.
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Affiliation(s)
- H Carter Davidson
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15213, USA
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Cooper JD, Smith KJ, Ritchey AK. A cost-effectiveness analysis of coagulation testing prior to tonsillectomy and adenoidectomy in children. Pediatr Blood Cancer 2010; 55:1153-9. [PMID: 20672369 DOI: 10.1002/pbc.22708] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND The American Society of Pediatric Otolaryngology recommends pre-operative coagulation testing only when indicated by history or physical exam. Nevertheless, many surgeons test all children scheduled for tonsillectomy and/or adenoidectomy (T&A). Studies of pre-operative screening have had conflicting results. A decision analysis model was constructed to address the costs and health outcome states of pre-operative screening strategies in children. PROCEDURE A 14-day Markov model evaluated three strategies: (1) test all children for coagulation disorders; (2) test only those children with a pertinent history; and (3) perform no pre-operative testing. A literature search and a review of national databases estimated probabilities, costs, and utility data. Parameters then were varied widely in sensitivity analyses. Using a societal perspective and a cycle length of 1 day, we compared the strategies based on total costs and quality-adjusted life years (QALYs). RESULTS Total costs for the strategies were $3,200 for testing all children, $3,083 for testing only those with a history finding, and $3,077 for not testing. Total utilities were 0.02579, 0.02654, and 0.02659 QALYs, respectively. Cost-effectiveness ratios were most sensitive to variation in the cost of post-operative care and the probability of post-operative bleeding. The strategy of not testing was dominant in all sensitivity analyses. CONCLUSIONS Our results demonstrate that not performing preoperative testing is the most cost-effective strategy. This was persistent in sensitivity analyses, indicating that the model was robust. These data may be helpful to institutions and organizations to formulate policies regarding pre-operative coagulation for children without previous diagnoses of bleeding disorders.
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Affiliation(s)
- James D Cooper
- Division of Hematology/Oncology/BMT, Department of Pediatrics, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania 15224, USA.
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9
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DUNN AL, COX GILL J. Adenotonsillectomy in patients with desmopressin responsive mild bleeding disorders: a review of the literature. Haemophilia 2010; 16:711-6. [DOI: 10.1111/j.1365-2516.2009.02145.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Rodriguez KD, Sun GH, Pike F, Mandel EM, Casselbrant ML, Chi DH. Post-tonsillectomy bleeding in children with von Willebrand disease: a single-institution experience. Otolaryngol Head Neck Surg 2010; 142:715-21. [PMID: 20416462 DOI: 10.1016/j.otohns.2010.01.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2009] [Revised: 01/15/2010] [Accepted: 01/21/2010] [Indexed: 11/15/2022]
Abstract
OBJECTIVES 1) Compare rates of post-tonsillectomy bleeding in pediatric patients with and without von Willebrand disease (vWD). 2) Identify factors that may increase the risk for post-tonsillectomy bleeding in children with and without vWD. STUDY DESIGN Historical cohort study. SETTING Tertiary care, university-based pediatric hospital. SUBJECTS AND METHODS Medical records were examined for 99 patients with vWD and 99 patients without vWD younger than 18 years who underwent tonsillectomy with or without adenoidectomy from August 1997 to October 2005. Subjects were matched for age, year of surgery, type of surgery, and indication for surgery. RESULTS Post-tonsillectomy hemorrhage occurred in eight of 99 (8%) vWD patients and in six of 99 (6%) non-vWD patients (P = 0.58, odds ratio 1.36, 95% CI 0.45-4.08). A two-sample test of proportions demonstrated lower and upper limits of -0.051 and 0.092. Four of eight children with vWD and two of six non-vWD patients required surgical intervention for control of bleeding. Ninety-three of 99 vWD patients received desmopressin acetate (DDAVP) preoperatively. In patients with vWD who responded to DDAVP challenge, there was no increased likelihood of post-tonsillectomy bleeding compared with non-vWD patients. No significant difference in the number of bleeding events was noted on the basis of demographics, preoperative laboratories, or use of aminocaproic acid. CONCLUSION Children with vWD undergoing tonsillectomy have a postoperative bleeding rate similar to that of a matched group. However, the sample size was not sufficient to eliminate the possibility of a clinically important difference between the two groups.
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Affiliation(s)
- Kenneth D Rodriguez
- Department of Otolaryngology-Head and Neck Surgery, University of Pittsburgh, Pittsburgh, PA, USA
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11
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Onady GM. Evidence-based medicine: applying valid evidence. Pediatr Rev 2009; 30:317-22. [PMID: 19648263 DOI: 10.1542/pir.30-8-317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Gary M Onady
- Department of Pediatrics, Boonshoft School of Medicine, Wright State University, Dayton, Ohio, USA
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12
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Witmer CM, Elden L, Butler RB, Manno CS, Raffini LJ. Incidence of bleeding complications in pediatric patients with type 1 von Willebrand disease undergoing adenotonsillar procedures. J Pediatr 2009; 155:68-72. [PMID: 19394040 DOI: 10.1016/j.jpeds.2009.01.051] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2008] [Revised: 12/17/2008] [Accepted: 01/15/2009] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To review the incidence of postoperative bleeding in children with type 1 von Willebrand disease (VWD) who were treated with a single institution protocol. STUDY DESIGN We performed a retrospective study to determine the postoperative hemorrhage rate in pediatric patients with type 1 VWD who were treated via the Children's Hospital of Philadelphia institutional protocol. This protocol utilizes intravenous desmopressin (DDAVP), oral aminocaproic acid, and overnight observation. RESULTS Between the years of 2000 to 2006, 41 children with type 1 VWD underwent an adenotonsillar procedure and were treated with this protocol. Seven patients (17%) experienced delayed (>24 hours after surgery) postoperative hemorrhage requiring intervention. Five of the 7 patients required cautery to control the bleeding, and the remaining 2 patients responded to DDAVP and aminocaproic acid alone. Older age and lower VW antigen levels were associated with postoperative hemorrhage (P = .05). CONCLUSIONS Despite therapeutic intervention to decrease the risk of postoperative hemorrhage, the incidence of hemorrhage was higher in pretreated patients with type 1 VWD than in children without bleeding disorders. Further prospective studies are necessary to determine the optimal treatment to reduce bleeding complications in these patients.
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Affiliation(s)
- Char M Witmer
- Department of Pediatrics, Division of Hematology, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.
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13
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Nichols WL, Hultin MB, James AH, Manco-Johnson MJ, Montgomery RR, Ortel TL, Rick ME, Sadler JE, Weinstein M, Yawn BP. von Willebrand disease (VWD): evidence-based diagnosis and management guidelines, the National Heart, Lung, and Blood Institute (NHLBI) Expert Panel report (USA). Haemophilia 2008; 14:171-232. [PMID: 18315614 DOI: 10.1111/j.1365-2516.2007.01643.x] [Citation(s) in RCA: 580] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- W L Nichols
- Special Coagulation Laboratory, Division of Hematopathology, Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, Rochester, MN, USA.
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Barcelona SL, Thompson AA, Coté CJ. Intraoperative pediatric blood transfusion therapy: a review of common issues. Part II: transfusion therapy, special considerations, and reduction of allogenic blood transfusions. Paediatr Anaesth 2005; 15:814-30. [PMID: 16176309 DOI: 10.1111/j.1460-9592.2004.01549.x] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Sandra L Barcelona
- Department of Anesthesiology, The Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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15
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Affiliation(s)
- Jae-Woo Lee
- Anesthesiology, University of California, San Francisco, 94143, USA
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Berlucchi M, Tomenzoli D, Nicolai P, Lusk RP. Adenotonsillectomy in children with von Willebrand's disease: how and when. A case report with review of the literature. Int J Pediatr Otorhinolaryngol 2002; 65:253-6. [PMID: 12242142 DOI: 10.1016/s0165-5876(02)00179-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The presence of coagulation pathology in children who are candidates for adenotonsillectomy (AT) is a challenge to the otolaryngologist. von Willebrand's disease (vWD) is the most common hereditary coagulopathy and is due to a quantitative and/or qualitative deficiency of von Willebrand's factor (vWF). In recent years, the administration of 1-deamino-8-D-arginine vasopressin (DDAVP) has been recommended as coadjuvant therapy for surgical procedure. This synthetic hormone promotes the release of vWF and factor VIII from endothelial cells. In this report, the authors describe the history of a child with vWD undergoing successful AT after administration of DDAVP. Furthermore, a review of the literature with particular emphasis on the use of DDAVP is made.
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Affiliation(s)
- Marco Berlucchi
- Department of Pediatric Otolaryngology, Spedali Civili, Brescia, Italy
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Affiliation(s)
- A H Sutor
- Mathildenstr. 1, Universitäts-Kinderklinik, D-79106 Freiburg, Germany
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18
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Abstract
Routine preoperative coagulation screening in patients undergoing tonsillectomy and/or adenoidectomy (T and A) is considered by some to be mandatory. T and A is often the first hemostatic challenge in children; therefore, screening is thought to be useful in predicting patients who may experience postoperative hemorrhage. On the other hand, in today's cost-conscious medical environment, routine screening is considered by some to be an unnecessary added expense. At our institution, among 4373 patients who underwent T and A between 1989 and 1994, 43 returned with postoperative bleeding (0.98%). We retrospectively evaluated the usefulness of prothrombin time (PT) and activated partial thromboplastin time (PTT) in predicting intraoperative and postoperative bleeding. All children had extensive bleeding histories taken; however, preoperative laboratory screening was left to the discretion of the attending physician. Preoperative PT/PTT did not predict intraoperative or postoperative bleeding. In our experience, laboratory screening has a very low positive predictive value in detecting occult bleeding disorders or perioperative hemorrhage; thus, we feel it should be used selectively. Routine preoperative PT/PTT is not recommended to screen T and A patients and does not appear to be cost-effective.
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Affiliation(s)
- G C Zwack
- Department of Otolaryngology, Head and Neck Surgery, Eastern Virginia Medical School, Norfolk 23507-1912, USA
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